lanceolatus, Rivulus Eigenmann [C. H.] 1909:51 [Annals of the Carnegie Museum v. 6 (no. 1); ref. 1222] Rockstone, Guyana. Holotype (unique): FMNH 53537 [ex CM 1084]. Type catalog: Henn 1928:86 [ref. 12305], Ibarra & Stewart 1987:76 [ref. 12367]. Name available from features presented in key on p. 49. •Status uncertain -- (Huber 1992:279 [ref. 20639]). •Valid as Rivulus lanceolatus Eigenmann 1909 -- (Lazara 2001:278 [ref. 25711], Costa in Reis et al. 2003:537 [ref. 27061], Costa 2006:139 [ref. 28875] in subgenus Cynodonichthys). •Valid as Anablepsoides lanceolatus (Eigenmann 1909) -- (Costa 2011:243 [ref. 31655], Taphorn et al. 2022:36 [ref. 41297]). Current status: Valid as Anablepsoides lanceolatus (Eigenmann 1909). Rivulidae: Rivulinae. Distribution: South America: Atlantic coastal river basins (Guyana) endemic. Habitat: freshwater.